Integrity

Noun

1. Steadfast adherence to a strict moral or ethical code.
2. The state of being wholesome; unimpaired
3. The quality or condition of being complete; pure
4. With regards to data encryption, ensuring that information is not altered by unauthorized persons in a way that is not detectable by authorized users.
5. The ability of systems to provide timely warnings to users when they should not be used for navigation.